Product Description Levothyroxine sodium hydrate Other Details Molecular Formula: C15H10I4NNaO4.xH2O Molecular Weight: 798.85 (anhydrous) CAS Number: 25416-65-3 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 10g Leadtime:20 Days